Asphalt Plants Installation

Asphalt concrete mixing plant is an important road construction equipment, it combines the mechanical, electrical and automation and many other technologies. Asphalt plants installation mainly includes base production, machine metal structure installation, installation and commissioning of electrical systems, asphalt heating and piping part of the installation. in the conditions of asphalt plant foundation built, the installation of mechanical metal structures can step in place, rarely make adjustments and changes in the future production. Asphalt heating and piping parts mainly for asphalt heating installation service, installation workload depends on bitumen storage and heating equipment . In production, the electric drive and control system weather or reliable is one important factor of affecting the asphalt plants normal production.

Installation and maintenance of asphalt plants electrical control system:
1, familiar with the system, familiar with the principles, rational layout, make wiring connection 
Either asphalt plant is first installed or moved to a new site installation, The technical aspects of electrical installation and maintenance personnel should first familiar with the whole electrical system control mode and principles according to asphalt plant working process, familiar with the system distribution and some of the key control device specific role, so installation is relatively easy. by the peripheral portion to the each control unit or the external to control room concentration, and Cable arrangement should choose the right path, and requires the weak and strong signal cable distribution cable slot arrangement. The electrical system of the asphalt mixing plant includes strong electric, weak electric, AC, DC, digital signals, analog signals, to ensure these signals are effective and reliable transmission, make control unit and electrical components output the correct control signal timely, and can reliably drive the actuators, connection of electrical wiring reliability has played a significant impact. Therefore, during installation must be done at the connection of the wiring and electrical components installed reliable fastening. 
Asphalt plant mainly control units generally adopt IPC or PLC (programmable logic controller ), and their internal control processes are basically that after Internal circuit detects satisfy certain electrical input signal of logic relationship, output electrical signal timely that meet certain logical relationships to drive relays or other electrical units or components. these relatively sophisticated parts work is usually relatively reliable, if the operation or debugging fails, firstly check all the relevant input signal is or not input to the bit, then check the output signal of the outgoing inspection requirements are or not, whether according to the logic required output. Generally, as long as the input signal is valid and reliable to meet logic requirements, the output signal will be output in accordance with design requirements of internal procedures, unless wiring head (connection flapper ) loose or these control units with associated peripheral components and a fault line. Of course, individual special circumstances may also occur inside unit component damage or a circuit board failure.
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